1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.util;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.StringUtil;
28  
29  import java.io.IOException;
30  
31  import java.util.HashMap;
32  import java.util.Map;
33  
34  /**
35   * <a href="ContentUtil.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author Brian Wing Shun Chan
38   * @author Raymond Augé
39   */
40  public class ContentUtil {
41  
42      public static String get(String location) {
43          return _instance._get(location, false);
44      }
45  
46      public static String get(String location, boolean all) {
47          return _instance._get(location, all);
48      }
49  
50      public static String get(ClassLoader classLoader, String location) {
51          return _instance._get(classLoader, location, false);
52      }
53  
54      public static String get(
55          ClassLoader classLoader, String location, boolean all) {
56  
57          return _instance._get(classLoader, location, all);
58      }
59  
60      private ContentUtil() {
61          _contentPool = new HashMap<String, String>();
62      }
63  
64      private String _get(String location, boolean all) {
65          return _get(getClass().getClassLoader(), location, all);
66      }
67  
68      private String _get(ClassLoader classLoader, String location, boolean all) {
69          String content = _contentPool.get(location);
70  
71          if (content == null) {
72              try {
73                  content = StringUtil.read(classLoader, location, all);
74  
75                  _put(location, content);
76              }
77              catch (IOException ioe) {
78                  _log.error(ioe, ioe);
79              }
80          }
81  
82          return content;
83      }
84  
85      private void _put(String location, String content) {
86          _contentPool.put(location, content);
87      }
88  
89      private static Log _log = LogFactoryUtil.getLog(ContentUtil.class);
90  
91      private static ContentUtil _instance = new ContentUtil();
92  
93      private Map<String, String> _contentPool;
94  
95  }